5th Grade Science State Test Review

What is the difference between saltwater and freshwater?

• Saltwater is drinkable, while freshwater is not.

• Saltwater contains a higher concentration of salt, while freshwater has low salt concentration.

• Saltwater is found in rivers, while freshwater is found in oceans.

• Saltwater is colder than freshwater.

What covers most of Earth's surface?

• Most of Earth's surface is covered with water.

• Most of Earth's surface is covered with forests.

• Most of Earth's surface is covered with deserts.

• Most of Earth's surface is covered with ice.

What is an ecosystem?

• A community of living organisms and their physical environment interacting as a system.

• A group of unrelated species living in the same area.

• A collection of non-living things in a specific location.

• A type of climate that supports various life forms.

What is the largest ocean on Earth?

• The Atlantic Ocean

• The Indian Ocean

• The Arctic Ocean

• The Pacific Ocean

What is the main source of Earth's salt water?

• The rivers

• The lakes

• The oceans

• The glaciers

What is the water cycle?

• The process of water evaporating and condensing in the atmosphere.

• The continuous movement of water on, above, and below the surface of the Earth.

• A method of water purification used in treatment plants.

• The cycle of water used in irrigation systems.

Tags

NGSS.MS-ESS2-4

What does gravity do?

• Gravity is a force that pushes objects away from the Earth.

• Gravity is a force that pulls objects toward the center of the Earth.

• Gravity has no effect on objects in motion.

• Gravity is a type of energy that can be harnessed.

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5

What is a chemical change?

• A process where substances combine or break apart to form new substances.

• A physical change that alters the appearance of a substance without changing its composition.

• A reaction that occurs only in the presence of heat or light.

• A method of separating mixtures into their individual components.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is a physical change?

• A change that alters the chemical composition of a substance.

• A change that affects one or more physical properties of a substance without altering its chemical composition.

• A change that occurs only at high temperatures.

• A change that involves the formation of new substances.

What percentage of Earth's water is freshwater?

• 1.5%

• 2.5%

• 5%

• 10%

Tags

NGSS.MS-ESS2-4